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perf tools: No need for three rb_trees for sorting hist entries

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All hist entries are in only one of them, so use just one and a
temporary rb_root while sorting/collapsing.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260797831-11220-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo
2009-12-14 11:37:11 -02:00
committed by Ingo Molnar
parent 4aa6563641
commit b9bf089212
4 changed files with 22 additions and 28 deletions
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10
tools/perf/util/hist.h
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@@ -25,16 +25,8 @@
#include "sort.h"
extern struct rb_root hist;
extern struct rb_root collapse_hists;
extern struct rb_root output_hists;
extern int callchain;
extern struct callchain_param callchain_param;
extern unsigned long total;
extern unsigned long total_mmap;
extern unsigned long total_comm;
extern unsigned long total_fork;
extern unsigned long total_unknown;
extern unsigned long total_lost;
struct hist_entry *__hist_entry__add(struct addr_location *al,
struct symbol *parent,
@@ -42,9 +34,7 @@ struct hist_entry *__hist_entry__add(struct addr_location *al,
extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *);
extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *);
extern void hist_entry__free(struct hist_entry *);
extern void collapse__insert_entry(struct hist_entry *);
extern void collapse__resort(void);
extern void output__insert_entry(struct hist_entry *, u64);
extern void output__resort(u64);
#endif /* __PERF_HIST_H */